SU1470283A1 - Method and apparatus for diagnosis of anuresis - Google Patents

Abstract

This invention relates to urology. The purpose of the invention is to improve the accuracy of the method. The resistance of the skin of the person, the sole and the ankle joint is automatically measured and recorded during sleep, and the time of urination is also automatically recorded. The device contains the first and second measuring electrodes 2 and 3, a source of stabilized voltage, a meter and an adjustable current stabilizer, a humidity sensor 1, a trigger signal driver 15, a standby multivibrator 14, a control key 11 and a voltage converter 13. Herewith, a humidity sensor 1 made in the form of two grid electrodes 8,10, between which a hygroscopic dielectric is laid. A carbon coating with a thickness of 8:10 μm is deposited on the surface of the measuring electrodes. The first measuring electrode 2 is connected to the output of an adjustable current stabilizer 12, to the output of a control key 11, and through a voltage converter 13 to a detectable meter 6. One of the grid electrodes of the humidity sensor is via a trigger signal driver 15 and a standby multivibrator 14 connected to a switch key . The second measuring electrode 3, the second output of the controlled key and one of the grid electrodes of the humidity sensor are grounded. The discovery of involuntary urination is achieved by imposing on the oscillogram, which characterizes the state of sleep of the person, the mark of the moment of urination. 2 sp.f-ly, 3 Il.

Description

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ABOUT

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This invention relates to the field of medicine and medical technology and can be used to diagnose bed-wetting.

The aim of the invention is to improve the accuracy of diagnosis of enuresis due to the differentiation of voluntary and involuntary urination in a state of sleep.

The goal is achieved by automatically measuring and recording the patient’s skin resistance over the night between the area of increased sweating, such as the sole and the ankle joint, and also the time of urination is automatically recorded. Into the device containing the first and second measuring electrodes, a source of stabilized voltage, a meter and an adjustable current stabilizer, an additional humidity sensor, a triggering signal driver, a waiting multivibrator, controlled

They are poured next to a patient undergoing examination in the area of greatest likelihood of wetting during his involuntary night urination.

With the help of an adjustable current regulator, the measurement limits of the recording meter are set.

With the help of a resistance measurement channel, the resistance of the skin between the electrodes is automatically measured.

10 and readings are automatically recorded on a recording meter.

The waveform displays a record of meter readings. When going from wakeful state to sleep, the resistance value (Rx) of the measured skin area increases from --50 kΩ to kΩ. Thus, the resistance value Rx of the measurable skin area, equal to the value, corresponds to the sleep state. Wake up state

la awaiting myjiDI pogs, Jll “- j. -. key and voltage converter. At 20 it is characterized by a sharp decrease in resistivity, rr, r.T, and vgm.g. nQdiiCT D pg Qu upHua and PRPIOL SNZ.

This moisture sensor is made in the form of two grid electrodes, between which a hygroscopic paper is laid. The surface of the measuring electrodes for reliable contact with measurements is coated with carbon by spraying in a vacuum. The first measuring electrode is connected to the output of an adjustable current stabilizer, to the input of a voltage converter and to the output of a controllable key, which is connected to one of the humidity sensor electrodes through a waiting multivibrator and a driver of a triggering signal. The output of the converter is the voltage of the coefficients of the yen with the registered meter. The second measuring electrode and the second output of the controlled key, as well as the other of the grid electrodes of the humidity sensor, are grounded. The stabilized voltage source is connected to a trigger signal driver by an adjustable stabilizer.

Example. Patient M., 19 years old, was treated in the urology department for complaints of bedwetting with a frequency of 3-4 times a week. The method of diagnosing the incidence of RX to the value of Ri is used overnight. During sleep, if involuntary urination occurs, the humidity sensor will record resistance. On the oscillogram, where the resistance value (state of the organism) between the electrodes is recorded, a mark will occur that indicates involuntary urination. This mark is valid for a short period of time, which does not distort the record 30 on the oscillogram corresponding to the state (sleep) of the human body.

FIG. 1 {13 shows the structural scheme of the experiment for the diagnosis of enuresis; in fig. 2 - sample record of the results of the experiment; in fig. 3 - functional device diagram.

The device for diagnostics of enuresis contains a humidity sensor 1, first and second measuring electrodes 2 and 3, a skin resistance measurement channel 4, a humidity channel 5, a recording meter 6, equivalent resistance 7 of the foot section of the test person, a grid electrode 8 for a humidity sensor, an equivalent wipe napkin 9 humidity sensor, the second grid electrode 10 humidity sensor.

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Neither on the basis of the registration of the electrically controlled key 11, adjustable stabili ,, g ,,, lg - piootch 10 Tnu-Q proppo rr tp rtl l L napo resisting the skin and the moment of urination.

The method of enuresis is as follows.

The first and second measuring electrodes are attached with a patch: one, for example, the first electrode, to the sole, and the second electrode to the skin in the area of the ankle joint. In this case, the electrodes are mounted on the skin surface so that a reliable contact is formed between the skin surface and the electrodes.

Humidity sensor, consisting of two grid electrodes and dry paper or napkin laid between them, current tester 12, voltage converter 13, standby multivibrator 14, trigger signal generator 15, stabilized voltage source 16. The principle of operation of the proposed device is as follows.

The electrodes 2 and 3 of the contact surface are applied to the skin areas and their position is fixed with a patch. With the help of an adjustable current regulator 12, the measurement terms are set. This is necessary because the resistance of the selected area may vary slightly from person to person, as well as selected

They are poured next to a patient undergoing examination in the area of greatest likelihood of wetting during his involuntary night urination.

With the help of an adjustable current regulator, the measurement limits of the recording meter are set.

With the help of a resistance measurement channel, the resistance of the skin between the electrodes is automatically measured.

0 and readings are automatically recorded on a recording meter.

The waveform displays a record of meter readings. When going from wakeful state to sleep, the resistance value (Rx) of the measured skin area increases from --50 kΩ to kΩ. Thus, the resistance value Rx of the measurable skin area, equal to the value, corresponds to the sleep state. Wake up state

j. -. 20 is characterized by a sharp decline; the resistance is characterized by a sharp decrease in rg. nQdiiCT D pg Qu upHua and PRPIOL SNZ.

the incidence of RX to a value of Ri. During sleep, if involuntary urination occurs, the humidity sensor will record resistance. On the oscillogram, where the resistance value (state of the organism) between the electrodes is recorded, a mark will occur that indicates involuntary urination. This mark is valid for a short period of time, which does not distort the record 0 on the oscillogram corresponding to the state (sleep) of the human body.

FIG. 1 {13 shows the structural scheme of the experiment for the diagnosis of enuresis; in fig. 2 - sample record of the results of the experiment; in fig. 3 - functional device diagram.

The device for diagnostics of enuresis contains a humidity sensor 1, first and second measuring electrodes 2 and 3, a skin resistance measurement channel 4, a humidity channel 5, a recording meter 6, equivalent resistance 7 of the foot section of the test person, a grid electrode 8 for a humidity sensor, an equivalent wipe napkin 9 humidity sensor, the second grid electrode 10 humidity sensor.

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control key 11, adjustable stabilizable key 11, control stabilizer 10 Tnu-Q process control voltage converter 12, voltage converter 13, standby multivibrator 14, trigger signal generator 15, stabilized voltage source 16. The principle of operation of the proposed device is as follows.

The electrodes 2 and 3 of the contact surface are applied to the skin areas and their position is fixed with a patch. By means of an adjustable current stabilizer 12, the measurement limits are set. This is necessary because the resistance of the selected area may vary slightly from person to person, as well as selected

skin areas to be measured are not always identical, i.e. the distance between the electrodes may not always be the same. In addition, setting measurement limits facilitates device operation. The measured skin resistance value is converted to a voltage proportional to the resistance value of the voltage converter 13, and is fed to a recording meter 6. A H-370 type recorder can be used as a recording meter b. To eliminate the oxidation of the surfaces of the electrodes 2 and 3, their surfaces are vacuum coated with an 8-10 micron carbon layer. This coating provides a good constant electrical contact.

Claims (3)

Claims. A method for diagnosing enuresis by measuring the electrical conductivity of a material wetted with urine, characterized in that, in order to increase the accuracy of the method due to the differentiation of voluntary and arbitrary urination in a state of sleep, electrodes are applied to areas of increased sweating and ankle joint the potential is not more than 9 V, and electrical resistance is continuously recorded overnight, and when resistance decreases by 8-9.3 15 times, involuntary urination is diagnosed; In comparison with the initial resistance, arbitrary urination is diagnosed. 2. Device for the diagnosis of enuresis, containing serially connected The humidity sensor 1 can be made in the form of two elastic grids - electrodes 8 and 10 with a dielectric gasket 9 in the form of hygroscopic paper or gauze 20 voltage stabilizer, converter napkins. When the dielectric strip is a voltage-current and the first electrode, the second dry, the resistance between the electrodes is an electrode, characterized in that, in order to . When the dielectric increases, when the enu-blocking diagnostics is wetted, the resistance Ry drops sharply, it additionally contains sequences almost tends to 0. At the same time, the stand-by multivibrator 14, which produces a strobe acting on the control key 1 G, is generated in the formatively connected driver, which is short-circuited for the duration of the strobe with the multivibvibrator and the key, the grid electrodes with a napkin between them, and the second electrode and the first grid electric od connected to the common bus, the second grid electrode is connected to the first input of the, current rator 14 electrodes 2 and 3. As a result, on the SR, the key inputs are connected respectively to the oscillogram of the meter 6 is formed from a common bus and the amplifier input is the voltage mark (dip almost to 0), which is energized. evidence of involuntary urination in sleep. Claims. A method for diagnosing enuresis by measuring the electrical conductivity of a material wetted with urine, characterized in that, in order to increase the accuracy of the method due to the differentiation of voluntary and arbitrary urination in a state of sleep, electrodes are applied to areas of increased sweating and ankle joint the potential is not more than 9 V, and the electrical resistance is continuously recorded overnight, and when the resistance decreases by 8-9.3, involuntary urination is diagnosed 5 times, and for nnom resistance compared with the initial arbitrary diagnosed micturition. 2. Device for the diagnosis of enuresis, containing serially connected 0 0 voltage regulator converter correctly connected shaper, one-shot and key, grid electrodes with a napkin between them, the second electrode and the first grid electrode connected to the common busbar, the second grid electrode connected to the input of the driver, current the key inputs are connected respectively to the common bus and the amplifier input, for example / H Phie.1 V4